#include <iostream>
#include <boost/asio.hpp>
#include <chrono>
int main()
{
    boost::asio::io_context io;

    boost::asio::steady_timer t(io, std::chrono::seconds(5));
    t.wait();

    std::cout << "Hello, world!" << std::endl;
    // 打印线程id
    std::cout << "Thread ID: " << std::this_thread::get_id() << std::endl;

    return 0;
}